Competitive Exams: Medical Science MCQs (Practice-Test 53 of 135)

Which one of the following statements is correct regarding tools of measurement for an epidemiologist?

Rates, ratios and proportions are one and the same

In a rate, the numerator is not part of the denominator

In a proportion, the numerator is always included in the denominator

In a ratio, the numerator is a component of the denominator.

Consider the following epidemiological/clinical studies:

Clinical Trials

Case-control studies

cohort studies

case-series reports

Which of these studies routinely incorporate the use of a control group in their study design?

1, 2 and 3

2, 3 and 4

1, 3 and 4

1, 2 and 4

Which one of the following is NOT consistent with the characteristics of the standard normal curve?

It is smooth and bell shaped

It is symmetrical

The mean, median and mode all coincide

Total area of the curve is 0.5

Consider the following statements: As per the standards laid down by WHO, normal human immunoglobulin preparations should

contain atleast 90 percent intact IgG.

be free from IgG aggregates.

Contain all IgG subclasses.

have high IgA concentration.

Which of these statements are correct?

3 and 4

1, 2 and 4

1, 2 and 3

1, 2, 3 and 4

Consider the following factors:

community participation

Provision of essential drugs

Appropriate technology

Immunisation against major diseases

Primary Health Care includes

2 and 4

2 and 2

1 and 3

3 and 4

An epidemiological surveillance system is based on the principle of

Periodical review and analysis

Continuous monitoring and analysis

Intermittent evaluation

One time indepth analysis of problem

Splinting limbs and providing restin acute poliomyelitis is an example of

Disability limitation

Secondary prevention

Primordial prevention

Specific protection

In a Primary Health Centre area with a mid-year estimated population of 30, 000 during a year, 3000 blood smears are collected and examined. Out of these 120 are found to be positive for malarial parasites in which 30 are positive for P falciparum. Which one of the following is the slide rate?

1.0

2.0

3.0

4.0

Under the Revised National Tuberculosis Control programme, for new sputum positive patients during the intensive phase, antitubercular drugs are administered as

The weight of a child suffering from diarrheal dehydration is 6 kg. What is the real quantity of Oral Rehydration solution (ORS) to be given in the first four hours to save the life of the child?

300 ml

450 ml

600 ml

750 ml

Inactivated Polio Vaccine (IPV) can be administered

During an epidemic

During pregnancy

For rapid immunity

Before 6 weeks of age

Consider the following stages:

late expanding

Low stationary

Early expanding

High stationary

The correct sequence of these stages in the demographic cycle is

3, 1 4, 2

2, 4, 3, 1

4, 2, 3, 1

4, 3, 1, 2

A 30 year old female had a copper T inserted 2 years after her last delivery. Her periods were regular even after insertion. Two years after insertion, she presents with two months amenorrhoea and severe lower abdominal pains. One examination her uterus is not bulky but pregnancy test is positive. The most likely diagnosis is